<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>浮动(图片定位)</title>
    <style>
        .first{
            width: 1350px;
            height: 628px;
            margin: 50px auto;
            border: 4px black solid;
        }

        .one{
            float: left;
            display: inline-block;
            width: 254px;
            height: 628px;
            border-radius: 12px/12px;
        }

        .third img{
            float: right;
            width: 340px;
            height: 300px;
            margin-left: 9px;
            margin-bottom: 24px;
            border-radius: 12px/12px;
        }
    </style>
</head>
<body>
    <div class="nav">
        <div class="first">
            <div class="second">
                <img src="./长图.jpg" alt="" class="one">
            </div>
            <div class="third">
                <img src="./图1.jpg" alt="">
                <img src="./图2.jpg" alt="">
                <img src="./图3.jpg" alt="">
                <img src="./图4.jpg" alt="">
                <img src="./图5.jpg" alt="">
                <img src="./图6.jpg" alt="">
            </div>
        </div>
    </div>
</body>
</html>